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Dive into the research topics where J. M. Udias is active.

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Featured researches published by J. M. Udias.


Physics Letters B | 2001

Polarization transfer in the 4He(e→, e′ p→)3H reaction

S. Dieterich; P. Bartsch; D. Baumann; J. Bermuth; K. Bohinc; R. Böhm; D. Bosnar; S. Derber; M. Ding; M. O. Distler; I. Ewald; J. Friedrich; R. Gilman; C. Glashausser; M. Hauger; P. Jennewein; J. Jourdan; J. J. Kelly; M. Kohl; A. Kozlov; K. W. Krygier; G. Kumbartzki; J. Lac; A. Liesenfeld; H. Merkel; U. Müller; R. Neuhausen; Th. Pospischil; R. D. Ransome; D. Rohe

We have measured the proton recoil polarization in the {sup 4}He(polarized-e, e-prime, p){sup 3}H reaction at Q{sup 2} = 0.5, 1.0, 1.6, and 2.6 (GeV/c){sup 2}. The measured ratio of polarization transfer coefficients differs from a fully relativistic calculation, favoring the inclusion of a predicted medium modification of the proton form factors based on a quark-meson coupling model. In contrast, the measured induced polarizations agree reasonably well with the fully relativistic calculation indicating that the treatment of final-state interactions is under control.


Physical Review Letters | 1999

Quasielastic scattering from relativistic bound nucleons: Transverse longitudinal response

J. M. Udias; J. E. Amaro; T. W. Donnelly; E. Moya de Guerra; J. A. Caballero

Predictions for electron induced proton knockout from the


Annals of Physics | 2006

Effective Lagrangian Approach to pion photoproduction from the nucleon

C. Fernández-Ramírez; E. Moya de Guerra; J. M. Udias

p_{1/2}


Physical Review C | 2005

Charge and matter distributions and form factors of light, medium, and heavy neutron-rich nuclei

A. N. Antonov; D. N. Kadrev; M. K. Gaidarov; E. Moya de Guerra; P. Sarriguren; J. M. Udias; V. K. Lukyanov; E. V. Zemlyanaya; G. Z. Krumova

and


Nuclear Physics | 1996

Parity violation in quasielastic electron scattering from closed-shell nuclei☆

J. E. Amaro; J. A. Caballero; T. W. Donnelly; Antonio M. Lallena; E. Moya de Guerra; J. M. Udias

p_{3/2}


Physical Review C | 2003

Nuclear model effects in charged current neutrino nucleus quasielastic scattering

C. Maieron; M. C. Martínez; J. A. Caballero; J. M. Udias

shells in


Nuclear Physics | 1998

ANALYSIS OF FACTORIZATION IN (E, E'P) REACTIONS : A SURVEY OF THE RELATIVISTIC PLANE WAVE IMPULSE APPROXIMATION

J. A. Caballero; T. W. Donnelly; E. Moya de Guerra; J. M. Udias

^{16}


Physical Review Letters | 2005

Superscaling in Charged Current Neutrino Quasielastic Scattering in the Relativistic Impulse Approximation

J. A. Caballero; J. E. Amaro; M. B. Barbaro; T. W. Donnelly; C. Maieron; J. M. Udias

O are presented using various approximations for the relativistic nucleonic current. Results for the differential cross section, transverse-longitudinal response (


Physical Review C | 2001

Relativistic mean field approximation to the analysis of 16 O ( e , e ′ p ) 15 N data at | Q 2 | 0.4 ( GeV / c ) 2

J. M. Udias; J.A. Caballero; E. Moya de Guerra; Javier R. Vignote; A. Escuderos

R_{TL}


Physical Review Letters | 2011

Relativistic descriptions of final-state interactions in charged-current quasielastic neutrino-nucleus scattering at MiniBooNE kinematics

Andrea Meucci; M. B. Barbaro; J. A. Caballero; C. Giusti; J. M. Udias

) and left-right asymmetry

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E. Moya de Guerra

Complutense University of Madrid

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T. W. Donnelly

Massachusetts Institute of Technology

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A. N. Antonov

Bulgarian Academy of Sciences

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P. Sarriguren

Spanish National Research Council

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M. V. Ivanov

Bulgarian Academy of Sciences

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